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Quick Virus Quiz

Quiz by Nur Aliya

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10 questions
Show answers
  • Q1
    1. A virus consists of
    Question Image
    proteins, cell membrane and RNA
    RNA or DNA and a cell membrane
    RNA only
    RNA or DNA and a protein coat
  • Q2
    2. How do viruses reproduce?
    Question Image
    inserting DNA into the host cell
    sexually, by external fertilization
    they divide by mitosis
    replication outside the host
  • Q3
    3. Which of the following is smallest?
    Question Image
    cell membrane protein
    eukaryote cell
  • Q4
    4. Retroviruses are different from viruses in that:
    Question Image
    all of these
    they can become dormant
    they are symmetrical
    They have RNA instead of DNA
  • Q5
    5. Vaccines can be used to prevent viral infection by:
    Question Image
    creating an immune response in the host cell
    creating a blocking protein on the cell
    destroying any viruses that enter the host
    preventing replication of the virus
  • Q6
    6. Antiviral drugs that are used after infection often prevent:
    Question Image
    reinfection by other viruses
    immune system degradation
    cell division
    uptake of the virus
  • Q7
    7. Why do some viruses seem to go away and then return later, like a cold sore?
    Question Image
    host has been infected with a different strain
    the virus had entered the lysogenic cycle
    the virus mutated
    the immune system forgot the virus
  • Q8
    8. Why is it difficult to develop vaccines for retroviruses?
    Question Image
    RNA mutates more frequently than DNA
    their small size evades the immune system
    the capsid of retroviruses is resistant
    vaccines can only target blood-borne pathogens
  • Q9
    9. Viruses are often named by:
    Question Image
    the animal that carries it
    where they were first discovered
    the scientist who discovered it
    all of these
  • Q10
    10. What happens after the virus has been taken up by the cell?
    Question Image
    it switches to infectious mode
    it divides
    it inserts into the host DNA
    it begins making protein

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